Hotchkis 04-04 Audi S4 (B6/B7 Platform) Swaybar SetDesigned specifically for the new S4 Hotchkis Sport Sway Bar Set incorporates a 24mm tubular 2 position adjustable rear along with a 35mm tubular front. Polyurethane bushings and bushing brackets are also included along with 90 degree zerk fittings for easy lubrication. The set does not include a reinforcement bracket system which is not necessary for this application. Keep in mind that the stock S4 rear bar is a solid 20mm bar on two solid bushing